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Finding the Fourth Proportional to 219,857.70, 329,754.15 and 62,102.10

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Solution

The fourth proportional to 219,857.70, 329,754.15 and 62,102.10 is: 93,144.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,857.70 : 329,754.15 = 62,102.10 : x
  2. Step 2: Convert to fraction form
    219,857.70/329,754.15 = 62,102.10/x
  3. Step 3: Cross multiply
    219,857.70x = 329,754.15 × 62,102.10
  4. Step 4: Simplify right side
    219,857.70x = 20,478,425,198.72
  5. Step 5: Solve for x
    x = 20,478,425,198.72/219,857.70
  6. Step 6: Final answer
    x = 93,144.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.